KP3 - Check For DTC 341

- Replace octane adjust shorting bar.

- Key "OFF".

- Activate Key On Engine Off (KOEO) Self-Test. Quick Test Appendix (Detailed Testing Instructions)

- Key "ON", engine "OFF".

- Is Diagnostic Trouble Code (DTC) 341 present?

Yes -- Go to KP4. KP4 - Check Continuity of Octane Adjust Circuit

No -- Testing complete. Electronic Engine Controls (EEC) system OK.